diff src/fschmidt/db/base/DbTableImpl.java @ 68:00520880ad02

add fschmidt source
author Franklin Schmidt <fschmidt@gmail.com>
date Sun, 05 Oct 2025 17:24:15 -0600
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/fschmidt/db/base/DbTableImpl.java	Sun Oct 05 17:24:15 2025 -0600
@@ -0,0 +1,159 @@
+/*
+Copyright (c) 2008  Franklin Schmidt <fschmidt@gmail.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+package fschmidt.db.base;
+
+import fschmidt.db.DbKey;
+import fschmidt.db.DbKeySetter;
+import fschmidt.db.DbObject;
+import fschmidt.db.DbObjectFactory;
+import fschmidt.db.ListenerList;
+import fschmidt.db.SQLRuntimeException;
+import fschmidt.db.extend.DbDatabaseExt;
+import fschmidt.db.extend.DbTableExt;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+
+
+final class DbTableImpl<K extends DbKey,V extends DbObject<K,V>> extends DbTableExt<K,V> {
+	private final String tableName;
+	private final DbKeySetter<K> keySetter;
+	private final DbObjectFactory<K,V> objFactory;
+
+	DbTableImpl(DbDatabaseExt database,String tableName,DbKeySetter<K> keySetter,DbObjectFactory<K,V> objFactory) {
+		super(database);
+		this.tableName = tableName;
+		this.keySetter = keySetter;
+		this.objFactory = objFactory;
+	}
+
+	public String getTableName() {
+		return tableName;
+	}
+
+	public DbKeySetter<K> getKeySetter() {
+		return keySetter;
+	}
+
+	public final V findByPrimaryKey(K key) {
+		try {
+			Connection con = database.getConnection();
+			try {
+				PreparedStatement stmt = keySetter.prepareStatement(
+					con, key, "select * from "+tableName, 1
+				);
+				ResultSet rs = stmt.executeQuery();
+				V obj = null;
+				if( rs.next() )
+					obj = getDbObject(key,rs);
+				stmt.close();
+				return obj;
+			} finally {
+				con.close();
+			}
+		} catch(SQLException e) {
+			throw new SQLRuntimeException("key = "+key,e);
+		}
+	}
+
+	public final Map<K,V> findByPrimaryKey(Collection<K> keys) {
+		Map<K,V> map = new HashMap<K,V>();
+		try {
+			Connection con = database.getConnection();
+			try {
+				PreparedStatement stmt = keySetter.prepareStatement(
+					con, keys, "select * from "+tableName, getDbDatabase().arcana()
+				);
+				ResultSet rs = stmt.executeQuery();
+				while( rs.next() ) {
+					K key = keySetter.getKey(rs);
+					map.put( key, getDbObject(key,rs) );
+				}
+				stmt.close();
+			} finally {
+				con.close();
+			}
+		} catch(SQLException e) {
+			throw new SQLRuntimeException("keys = "+keys,e);
+		}
+		return map;
+	}
+
+	public V getDbObject(K key,ResultSet rs,String tableName)
+		throws SQLException
+	{
+		return objFactory.makeDbObject(key,rs,tableName);
+	}
+
+
+	private ListenerList<V> preInsertListeners;
+	private ListenerList<V> preUpdateListeners;
+	private ListenerList<V> preDeleteListeners;
+	private ListenerList<V> postInsertListeners;
+	private ListenerList<V> postUpdateListeners;
+	private ListenerList<V> postDeleteListeners;
+
+	public synchronized ListenerList<V> getPreInsertListeners() {
+		if (preInsertListeners == null)
+			preInsertListeners = new ListenerList<V>();
+		return preInsertListeners;
+	}
+
+	public synchronized ListenerList<V> getPreUpdateListeners() {
+		if (preUpdateListeners == null)
+			preUpdateListeners = new ListenerList<V>();
+		return preUpdateListeners;
+	}
+
+	public synchronized ListenerList<V> getPreDeleteListeners() {
+		if (preDeleteListeners == null)
+			preDeleteListeners = new ListenerList<V>();
+		return preDeleteListeners;
+	}
+
+	public synchronized ListenerList<V> getPostInsertListeners() {
+		if (postInsertListeners == null)
+			postInsertListeners = new ListenerList<V>();
+		return postInsertListeners;
+	}
+
+	public synchronized ListenerList<V> getPostUpdateListeners() {
+		if (postUpdateListeners == null)
+			postUpdateListeners = new ListenerList<V>();
+		return postUpdateListeners;
+	}
+
+	public synchronized ListenerList<V> getPostDeleteListeners() {
+		if (postDeleteListeners == null)
+			postDeleteListeners = new ListenerList<V>();
+		return postDeleteListeners;
+	}
+
+	public void uncache(DbKey key) {}
+
+}